BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 92 54.8%
2 United States 26 15.5%
3 Netherlands 16 9.5%
4 Germany 8 4.8%
5 Canada 7 4.2%
6 France 7 4.2%
7 Russia 4 2.4%
8 Taiwan 2 1.2%
9 Brunei Darussalam 2 1.2%
10 Czech Republic 1 0.6%
11 Hong Kong 1 0.6%
12 Malaysia 1 0.6%
13 New Zealand 1 0.6%